<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			*{
				margin: 0;
				padding: 0;
			}
			h1{
				text-align: center;
				font: 100px/200px "微软雅黑";
				color: black;
				transition: 1s;
			}
			
			h1:hover{
				color: rgba(0,0,0,0);
				text-shadow: black 0 0 200px;
			}
		</style>
	</head>
	<body>
		<h1>尚硅谷</h1>
	</body>
</html>
